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Finding the Fourth Proportional to 58,867.80, 88,301.70 and 19,426.20

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Solution

The fourth proportional to 58,867.80, 88,301.70 and 19,426.20 is: 29,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,867.80 : 88,301.70 = 19,426.20 : x
  2. Step 2: Convert to fraction form
    58,867.80/88,301.70 = 19,426.20/x
  3. Step 3: Cross multiply
    58,867.80x = 88,301.70 × 19,426.20
  4. Step 4: Simplify right side
    58,867.80x = 1,715,366,484.54
  5. Step 5: Solve for x
    x = 1,715,366,484.54/58,867.80
  6. Step 6: Final answer
    x = 29,139.30

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